<?php

function ValidateEmail($value)
{
    $regex = '/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i';
    
    if ($value == '') {
        return false;
    } else {
        $string = preg_replace($regex, '', $value);
    }
    
    return empty($string) ? true : false;
}
?>